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The D28 3D Welding Table Triangular Support Bracket is a core load-bearing and positioning module within the D28-series 3D flexible welding fixture system. It is primarily used for the right-angle or multi-angle support, positioning, and fixture expansion of heavy workpieces, utilizing a rigid triangular structure to provide high stability and load-bearing capacity.
Dimensions and Specifications
Specifications (L × W × T)
Hole diameter
Hole spacing
Primary uses
175×175×50
φ28
50/100
Small and medium-sized frames, housings, and 90° positioning
225×225×50
φ28
50/100
Versatile core style, workwear staple
275×275×50
φ28
50/100
Large and medium-sized workpieces, heavy-duty support
175×175×100
φ28
50/100
Thickened, heavy-duty, and deformation-resistant
275×275×100
φ28
50/100
Heavy machinery and thick-plate structures (primary heavy-duty applications)
325×225×50
φ28
50/100
Workpieces with height differences; auxiliary support for inclined surfaces
425×225×50
φ28
50/100
Multi-point support for long members and long frames
300×275×100
φ28
50/100
Extended-height triangular support; heavy-duty frame and housing
600×375×100
φ28
50/100
Extra-large workpieces and construction machinery frames
Core Functions and Applications
90° Precision Positioning: Provides a vertical reference, ensuring right-angle accuracy and preventing welding deformation; ideal for welding frames, housings, columns, and similar structures.
Heavy-Duty Support: Triangular structure distributes stress with load-bearing capacity of 5-25 tons, suitable for supporting heavy workpieces or serving as primary fixture support.
3D Expansion: Clamps, angle irons, V-blocks, and other accessories can be mounted on the vertical face to extend workspace and facilitate complex, multi-sided welding.
Height Adjustment: Units can be stacked or combined with square blocks to flexibly adjust workpiece height and accommodate various welding positions.
Mounts directly onto tabletops or vertical columns using D28 quick-locking pins.
Triangular support brackets allow for double-sided or three-way connections to assemble 3D fixture frameworks.
Can be freely combined with D28 square blocks, angle blocks, clamps, and locating pins.
Tool-free, rapid changeover; ideal for small-batch, high-variety production.
Precautions for Use
When positioning, ensure the base sits flush against the welding table surface; avoid unsupported configurations that can cause deformation and compromise accuracy.
The locking pin must be fully inserted and locked; verify overall stability after clamping to prevent shifting during welding.
When stacking multiple brackets, manage total height; for tall assemblies, use support columns for reinforcement to prevent tipping.
Do not use as a tool for hammering or prying, as impact forces can damage mounting hole precision and surface flatness.
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